National Museum of Nuclear Science & History
Helen Warren worked for the Edenfield Electric Company.
Attended the University of Wisconsin.
Joseph Levinger was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
George Francis McEwen was born on June 16, 1882 in Manchester, Iowa. He attended Iowa State College.
J. R. Brand worked for Clinton Laboratories at the X-10 Reactor.
